22165358736 has 20 divisors (see below), whose sum is σ = 57260510192. Its totient is φ = 7388452896.

The previous prime is 22165358731. The next prime is 22165358749. The reversal of 22165358736 is 63785356122.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 461778307 = 22165358736 / (2 + 2 + 1 + 6 + 5 + 3 + 5 + 8 + 7 + 3 + 6).

It is not an unprimeable number, because it can be changed into a prime (22165358731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230889106 + ... + 230889201.

Almost surely, 2^22165358736 is an apocalyptic number.

It is an amenable number.

22165358736 is an abundant number, since it is smaller than the sum of its proper divisors (35095151456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22165358736 is a wasteful number, since it uses less digits than its factorization.

22165358736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461778318 (or 461778312 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 22165358736 in words is "twenty-two billion, one hundred sixty-five million, three hundred fifty-eight thousand, seven hundred thirty-six".